def x_offset(self):
return(self.x_of_time(self.time_offset))
# convenience functions
def time_of_x(self, x):
return(float(x) / self._pixels_per_second)
def x_of_time(self, time):
return(float(time) * self._pixels_per_second)
def height_of_track(self, track):
min_height = 4 * self.pitch_height
pitches_height = len(track.pitches) * self.pitch_height
controllers_height = len(track.controllers) * self.controller_height
return(max(min_height, pitches_height + controllers_height))
@property
def track_spacing(self):
return(6.0)
serializable.add(ViewScale)
# represent a document, which collects the elements of a persistent workspace
class Document(Model):
def __init__(self, tracks=None, devices=None, transport=None,
view_scale=None, units=None, patch_bay=None):
Model.__init__(self)
# the file path to save to
self.path = None
# transport
if (transport is None):
transport = Transport()
self.transport = transport
# time scale
if (view_scale is None):
view_scale = ViewScale()
def name(self):
if (len(self._name) > 0):
return(self._name)
return(self.short_device_name)
@name.setter
def name(self, name):
if (name != self._name):
self._name = name
self.on_change()
# adapter serialization
def serialize(self):
return({
'device_name': self._device_name,
'device_flags': self._device_flags
})
serializable.add(DeviceAdapter)
# make a class to manage a list of adapters
class DeviceAdapterList(observable.List):
def __init__(self, adapters=()):
# map devices by name
self._name_map = dict()
observable.List.__init__(self, adapters)
# make a client connection to jack
self._client = jackpatch.Client('jackdaw-devices')
# scan for devices on a regular basis
self.startTimer(1000)
# get an adapter for the device with the given name
def adapter_named(self, name):
if (name not in self._name_map):
self.append(DeviceAdapter(device_name=name))
self._path_loading = False
self._path_loaded = (self._progress >= 100)
return
# ask for another progress report
self._sampler.call('GET CHANNEL INFO %d' % self._channel.channel_id,
self._on_progress)
def _on_progress(self, result):
if ((result) and ('INSTRUMENT_STATUS' in result)):
self._progress = int(result['INSTRUMENT_STATUS'])
def serialize(self):
return ({'name': self.name, 'path': self.path})
serializable.add(Instrument)
class InstrumentList(observable.List):
def __init__(self, instruments=()):
observable.List.__init__(self, instruments)
# adapter list serialization
def serialize(self):
return ({'instruments': list(self)})
serializable.add(InstrumentList)
# make a unit that represents a list of sampler instruments
self._client.connect(source, sink)
# track serialization
def serialize(self):
return({
'name': self.name,
'blocks': list(self),
'solo': self.solo,
'mute': self.mute,
'arm': self.arm,
'pitch_names': self.pitch_names,
'bend_range': self.bend_range,
'controller_names': self.controller_names,
'controller_outputs': self.controller_outputs,
'transport': self.transport
})
serializable.add(Track)
# represent a controller's output on a track
class ControllerTrackOutput(unit.Source, Model):
def __init__(self, number, value=0.0, client=None):
self._client = None
self._number = number
self._value = 0.0
Model.__init__(self)
unit.Source.__init__(self)
self._source_type = 'midi'
self.client = client
self.value = value
@property
def client(self):
return(self._client)
self._progress_timer = None
self._path_loading = False
self._path_loaded = (self._progress >= 100)
return
# ask for another progress report
self._sampler.call('GET CHANNEL INFO %d' % self._channel.channel_id,
self._on_progress)
def _on_progress(self, result):
if ((result) and ('INSTRUMENT_STATUS' in result)):
self._progress = int(result['INSTRUMENT_STATUS'])
def serialize(self):
return({
'name': self.name,
'path': self.path
})
serializable.add(Instrument)
class InstrumentList(observable.List):
def __init__(self, instruments=()):
observable.List.__init__(self, instruments)
# adapter list serialization
def serialize(self):
return({
'instruments': list(self)
})
serializable.add(InstrumentList)
# make a unit that represents a list of sampler instruments
class InstrumentListUnit(unit.Unit):
def __init__(self, instruments, *args, **kwargs):
unit.Unit.__init__(self, *args, **kwargs)
import jackpatch
import observable
import serializable
import unit
class SystemPlaybackUnit(unit.Sink, unit.Unit):
def __init__(self, *args, **kwargs):
unit.Unit.__init__(self, *args, **kwargs)
unit.Sink.__init__(self)
self._sink_type = 'stereo'
self._client = jackpatch.Client('jackdaw-playback')
ports = self._client.get_ports(name_pattern='system:.*',
flags=jackpatch.JackPortIsInput)
self._sink_port = tuple(ports)
serializable.add(SystemPlaybackUnit)
pitch=self.pitch,
velocity=self.velocity,
duration=self.duration))
def __repr__(self):
return('Note(time=%0.9g, pitch=%d, velocity=%g, duration=%0.9g)' %
(self.time, self.pitch, self.velocity, self.duration))
def serialize(self):
return({
'time': self.time,
'pitch': self.pitch,
'velocity': self.velocity,
'duration': self.duration,
'bend': self.bend,
'aftertouch': self.aftertouch
})
serializable.add(Note)
# represents a single control-change message with time, controller number,
# and controller value
class CCSet(Model):
def __init__(self, time=None, number=None, value=None):
Model.__init__(self)
self._time = time
self._number = number
self._value = value
# the time relative to the beginning of its container when the
# controller setting takes effect (in seconds)
@property
def time(self):
return(self._time)
@time.setter
import jackpatch
import observable
import serializable
import unit
class SystemPlaybackUnit(unit.Sink, unit.Unit):
def __init__(self, *args, **kwargs):
unit.Unit.__init__(self, *args, **kwargs)
unit.Sink.__init__(self)
self._sink_type = 'stereo'
self._client = jackpatch.Client('jackdaw-playback')
ports = self._client.get_ports(name_pattern='system:.*',
flags=jackpatch.JackPortIsInput)
self._sink_port = tuple(ports)
serializable.add(SystemPlaybackUnit)
if (mark is not None):
self.time = mark.time
def next_mark(self, *args):
mark = self.get_next_mark(self.time)
if (mark is not None):
self.time = mark.time
# transport serialization
def serialize(self):
return({
'time': self.time,
'duration': self.duration,
'cycling': self.cycling,
'marks': list(self.marks),
'protocol': self.protocol
})
serializable.add(Transport)
# a model to store a marked timepoint on a transport
class Mark(observable.Object):
def __init__(self, time=0.0):
observable.Object.__init__(self)
self._time = time
@property
def time(self):
return(self._time)
@time.setter
def time(self, value):
if (value != self._time):
self._time = value
self.on_change()
# overload the less-than operator for sorting by time
self.y = rect.y() + (rect.height() / 2)
# unit serialization
def serialize(self):
obj = {
'name': self.name,
'x': self.x,
'y': self.y
}
if (self.width > 0):
obj['width'] = self.width
if (self.height > 0):
obj['height'] = self.height
if (self.hue is not None):
obj['hue'] = self.hue
return(obj)
serializable.add(Unit)
# represent a list of units
class UnitList(ModelList):
def __init__(self, units=()):
ModelList.__init__(self, units)
# track serialization
def serialize(self):
return({
'units': list(self)
})
serializable.add(UnitList)
# make a unit that groups other units so they can be moved together
class GroupUnit(Unit):
def __init__(self, units=(), *args, **kwargs):